69880920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{881}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 210198240

約数和(自身を除く): 140317320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 881, 1322, 1762, 1983, 2643, 2644, 3305, 3524, 3966, 4405, 5286, 5288, 6610, 7048, 7932, 8810, 9915, 10572, 13215, 13220, 15864, 17620, 19830, 21144, 26430, 26440, 35240, 39660, 52860, 79320, 105720, 582341, 1164682, 1747023, 2329364, 2911705, 3494046, 4658728, 5823410, 6988092, 8735115, 11646820, 13976184, 17470230, 23293640, 34940460, 69880920]

約数ペア:

[(1, 69880920), (2, 34940460), (3, 23293640), (4, 17470230), (5, 13976184), (6, 11646820), (8, 8735115), (10, 6988092), (12, 5823410), (15, 4658728), (20, 3494046), (24, 2911705), (30, 2329364), (40, 1747023), (60, 1164682), (120, 582341), (661, 105720), (881, 79320), (1322, 52860), (1762, 39660), (1983, 35240), (2643, 26440), (2644, 26430), (3305, 21144), (3524, 19830), (3966, 17620), (4405, 15864), (5286, 13220), (5288, 13215), (6610, 10572), (7048, 9915), (7932, 8810)]